ffi_checkctype    495 lib_ffi.c        CTypeID id = ffi_checkctype(L, cts, NULL);
ffi_checkctype    535 lib_ffi.c        CTypeID id = ffi_checkctype(L, cts, NULL);
ffi_checkctype    553 lib_ffi.c        CTypeID id = ffi_checkctype(L, cts, L->base+1);
ffi_checkctype    564 lib_ffi.c        CTypeID id1 = ffi_checkctype(L, cts, NULL);
ffi_checkctype    594 lib_ffi.c        CTypeID id = ffi_checkctype(L, cts, NULL);
ffi_checkctype    616 lib_ffi.c        CTypeID id = ffi_checkctype(L, cts, NULL);
ffi_checkctype    626 lib_ffi.c        CTypeID id = ffi_checkctype(L, cts, NULL);
ffi_checkctype    743 lib_ffi.c        CTypeID id = ffi_checkctype(L, cts, NULL);